PARKING ASSIST MONITOR SYSTEM ECU Power Source Circuit

DESCRIPTION

This circuit is the power source circuit to operate the parking assist ECU.

WIRING DIAGRAM

A0094IME04

INSPECTION PROCEDURE

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BATTERY AND BODY GROUND)

    A009BD6E06
    Text in Illustration
    *a

    Front view of wire harness connector

    (to Parking assist ECU)

    1. Disconnect the I2 parking assist ECU connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      I2-1 (+B) - Body ground Always 11 to 14 V
      I2-7 (IG) - Body ground Ignition switch ON 11 to 14 V
      I2-7 (IG) - Body ground Ignition switch off Below 1 V
      I2-8 (ACC) - Body ground Ignition switch ACC 11 to 14 V
      I2-8 (ACC) - Body ground Ignition switch off Below 1 V

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      I2-3 (GND1) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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